Tiltable cabinet



C. G. MINOR TILTABLE CABINET Jan. 9', 1951 6 .'Shfeets-SheecI 1 Filed July 18, 1946 Jan. 9, 1951 C. G. MINOR TILTABLE CABINET v5 Sheets-Sheet 2 Filed July 18, 1946 C. G. MINOR TILTABLE CABINET Jan. 9, 1951 6 Sheets-Sheet 5 Filed July 18, 1946 C. G. MINOR TILTABLE CABINET Jan. 9, 1951 Filed July 1s, 194el 6 Sheets-Sheet 4 c. G. MINOR TILTABLE CABINET Jan. 9, 1951 `6 Sheets-Sheet 5 Filed July 18, 1946 Jan- 9, 1951 I c. G. MINOR 2,537,364

TILTABLE CABINET Filed July 18, 194e e sheets-sheet s Patented Jan. 9, 1951 UNITED stares l'uvrlirrr oFFlcE TILTABLE Charles G. Minor, Evanston, lll., assignorof one- `half to Albert G..lVllcCa1eb-, Evanston, Ill.

Application .uly 18, 1946,Seal No. r684,586

18 Ulaini's. (Cl. 312--1"5-59- er control mechanism suited to use on a tiltablev cabinet which opens at the top and has the Vstorage compartment hingedly supported for forward tijting movement to eii'ect ease of access to all parts of the interior. l

Another obJect of the invention is to provide a cover control mechanism for top-openingtiltable cabinets wherein the simple rotary motion of an easily accessible handle moves the cabinet cover to a raised level position such that it may be utilized as a shelf during the placement of material within the cabinet or the removal of desiredmaterial therefrom.

Furthermore, my invention contemplates the provision of .a control vmechanism as set forth in the .preceding object and in which the storage compartment may be tilted forwardly Afor access to the interior after the cover is raised.

My invention additionally comprehends the provision of a cover control mechanism for tiltable cabinets which embodies the features set forth and which also includes facilities such' that the cover may be swung to an open Aposition giving access to the interior of the compartment.

It is another object of the invention to provide a mechanism manualy operable by a unitary control and which effects either a raising cr lowering movement of the cover of a cabinet and the tilting movement Aof the storage compartment.

Asa further object my invention provides for a mechanism in accordance with the precedingobject, wherein rates of motion of the cover and storage compartment vary in `accordance with their relative positions.

Other objects and advantages of the invention will -be apparent from the followingr description and the .accompanying drawings in which similar characters of reference indicateV 1similar parts throughout the several views.

Referring to the six sheets of drawings,

.1 is an end sectional view of a `preferred embodiment of my tiltable cabinet, `wherein the section .is takenon a line l-l of Fig. 2 and various operating positions of the parts are depicted dot and dash lines.;

Fig. v2 is a top plan view-of the tiltable cabinet 'shown 1n rig. '1 'with parts Yout away to illustrate certain details of 'the structure; big. 3 is a rear elevational view of the tiltable eadarnet sllown in-l'igs. 1 and 2, wherein parts Vare 'also cut away to 'show details of the construction;

Fig. 4 is a fragmentary rear elevational View or a portion "of the `structure shown in Fig. 3 drawnV to an enlarged scaleand having parts cut away;

Fg. 51s affragmentary view of a portion ofthe `structureshown in Fig. 3 drawn to an enlarged scale;

Fig. 6 is .an end sectional view similar to Fig. `1 which depicts a lnodlllcation of my invention:

lags. and 8 are, respectively, top plan and rear elevational views of the tiltable cabinet shown 1in Fig. '6, `and wherein each has parts cut away to Yillustrate .structural details;

Fig. 9 is a fragmentary sectional View of a 'llort'ion of the structureshown inFig. 6 drawn to an enlarged scale;

Fig. 10 is afra'gmentary sectional view of a Vpor-tion of the tiltable cabinet lillustrated in Figs. 6, 7 .and 8 -drawn toan enlarged scale; and

Fig. 11 .is airagmentary Yrear elevational view showing-a part of the structure depicted in'Fig. 8 with parts in different operating positions. I

Both of the exempary forms of my present Airlvention which are depicted .herein for purposes of illustration, are well adapted, yalthough `not limited, to refrigerator cabinet structures used .for the preservation of frozen foods and the like and/or the freezing or storage of foods and the like. their frozen state and the expected time of preservation .is .-longer than for foods stored at tempera-tures above freezing. ,Both of these factors .reduce `the desirability ofY khaving many articles accessible for momentary acquisition. Being Y generally in a solid state, such .frozen foods may picted in the accompanying drawings inclllclean outer casing |75 which .comprises a base vl, to

which upwardly .extending side walls Il and 18 In such storage the foods are preserved in Y On the other hand, such packtween the side walls.

indicated in dot and dash lines and is secured to are secured in oppositely disposed and opposed relationship. At the rear, as shown in Fig. 3, the side walls are reenforced and laterally braced by a top cross strip i9 having its opposite ends secured to the side walls and by diagonally disposed cross braces 2t and 22.

A heat insulated container 23 denes a refrigerated food storage compartmenty 2li which, in the present instance, is open at the top and is adapted to be tightly closed by a heat insulating cover 25. For relative ease of access, even to articles placed in the bottom of the food storage compartment 25, and so that the cover 25 may be utilized as a temporary loading or unloading shelf, my refrigerator cabnetfis so constructed that the cover may be raised linearly in a vertical direction while maintaining its level disposition. To facilitate ready access to the interior of the rood storage compartment, the heat insulated container 23 is4 supported for tilting movementl between the side walls il and i8 Aabout an axis 2B near the base it and extending laterally of the Side Walls. y Y

Having more detailed reference to the general features oi the cabinet structure embodied in both of the modified forms oi my invention, the base I is desirably made of formed sheet metal and has a i'langed reeniorcing edge 27. Support `for the cabinet with the base it somewhat raised from the 'loor let-el is provided by casters 28 above the oor, the casters are desrably disposed in inverted cup-shaped deformed portions 29 of the base iii which are located near the corners of the base.

Although various types of refrigeration units are suited to use with the disclosed cabinet and such refrigeration units may be mounted in various Ways and'at diierent positions relative to the cabinet, I have indicated a refrigeration unit 39 in dot and dash lines, which unit is secured to the base 1oelow the heat-insulated container and be- A condenser unit 32 is also the base adjacent the refrigeration unit and desirably adjacent an opening' in the mid-portion v of the base.

As shown in Figs. l and 2, the heat insulated container 23, which provides the food storage compartment, has a -bottomf34, front and rear walls 35 and 3E, respectively, and side Walls 3?, which walls are desirably constructed with suitably shaped exterior and interior metal shells 38 and 39, respectively, secured together at the top and bottom by suitable means, such as welding. The shells defining the walls are spaced apart to provide substantial wall thickness and the space therebetween is iiiled with a suitable heat insulating material. In order to-avoid the use of space within the food storage compartment for a separate evaporator unit, I prefer to use the interior metal shell as the' inner wall of an evaporator unit, which .is connected to the refrigeration unit in the usual manner.

To support the heat insulated container 23 for tilting movement between upright and tilted positions, such as those indicated at 23 and 23a in Fig. 1, metal plates iii are secured to each end of the container near thev bottom thereof and extend downwardly from those ends below the bottom of the container. Each such metal plate e5 has lower edges c2 and i3 disposed in obtuse angular' relationship with the vertex of the obtuse angle near the mid-portion ofthe base from front to vcontainer for improving the appearance.

rear. Each of the metal plates di] carries a bearing 544 near the vertex oi the angularly disposed lower edges 42 and 3. Brackets 45 are secured to the mid-portion of opposite sides of the base i6 and carry suitable support means, such as cap screws 46, upon which the bearings Gil are rotatably mounted to provide a hinge support for the heat insulated container. The height of the metal plates it is sufficient to provide ample room for the circulation of cooling air around the refrigeration unit.

Although the back of the outer casing is substantially open to permit the free circulation of air around the refrigeration unit 233 and condenser 32, I have provided a cover il at the iront of the cabinet which covers the space between the base and the front suriace of the heat insulated The cover is provided with a series cr" louvers #38 which permit the flow of air into the space below the insulated container and across the condenser and refrigeration unit from the front of the cabinet. In order that the cover 4'! may be Vfree to move with the insulated container 23 when it is tilted, hinges til are provided at the lower edge of the cover by which it is connected to the base.

` Rollers E@ are preferably secured to opposite sides of the upper edge oi the cover to engage the front surface of the heat insulated container and roll along that surface during the tilting movements of the container. A tension spring 52 resiliently biases the cover 31 toward the iront surface 0f the container and keeps the cover rollers in engagement with the container while permitting its swinging movement during the tilting of the container.

In order to cushion the movements of theheat insulated container, particularly near the extremities oi such movements, I prefer to provide a uid controlled dashpot 53 having one end hingedly anchored by suitable means to the outer casing and its other end secured to the rear wall of the heat insulated container. The preferred action of the dashpot is such that it prevents quick or sudden movements of the Container' in either direction after the tilting has been started, and prevents jolts to the container or its contents at the extremities of the tilting movement.

As in the instance oi the walls of the heat insulated container 2S, the cover 25 desirably is made with a metal shell of suitable thickness filled with heat insulating materlal. A gasket 54 of relatively flexible heat insulating material is secured to the surface of the cover adjacent the upper surfaces of the walls of the heat insulated container 23 to provide a suitable seal between the cover and the container when the cabinet is closed.

In both of the presently disclosed forms of my refrigerator cabinet, provision is made for the linear vertical movement o1" the cover'25 away from the heat insulated container 23 when the cabinet is opened and the maintenance of the cover in a substantially level position for use as a shelf. A For supporting the cover 25 for such linear movement, I have provided brackets 55 and 53 having vertical side portions at oppositely disposed positions adjacent each of the side Walls i1 and I8, which brackets have therein vertically disposed and elongated slots 51l and 5,8, respectively, and are secured to the rear edge portions of the side walls. Oppositely disposed cover support arms 59, which are generally triangular in shape, extend forwardly from positions adjacent the brackets 55 and 56 along the innerv suratrasos races or' the side walls 17 'and I8 andbctween those side walls and the outer side surfaces of 'the neat insulated container 23. `studs '60 and 62 `are secured'to the cover support'arms 59 and 'have bearing portions extending inwardlythere- 'from through the rslots 51 andes, respectively, in

.'th'e'brackets 55 and 5s; the bearing .portions of "the studs being 'slidable longiti'ldinally o tire slots. Straps ce Aproject rearwardly 'from opp'oi s'ite sides 'of 'the rear 'surface 'of the cover and 'are carried by the studs et) to support the rear In the form of my refrigerator cabinet dis- "closed "in Figs. i to 5, inclusive, the straps te are rotatably carried by the studs 60 and the iront portion 'of the cover is so supported that it 'is "re'e 'to Vswing upwardly A'about the axis vof the "Studs `Gli for opening the cabinet when 'the "food storage compartment is in either its upright or tilted positions. Such upward swinging movement of the cover is indicated in dot A'and dash lines at 25a in Fig. 1. For maintaining 'the 'cover in a raised position, such as tha't indicate-dat 25u, `and also for biasing the cover to its closed position with the gasket 54 firmly pressed 'against `the top Vsurface of the heat insulated container, have provided spring-urged toggle mechanisms, each including a compression spring enclosed within a housing @il having telescopicallyngaging end portions. One end of each of the housings 64 is anchored for swinging movement-. to one of the side walls of the outer casing. The 'other end of each housing is rotatably connected to an extension arm 55 on each of the straps l(i3. The angular dispositions of the housings B4 and extension arms 55 are such that the force of the compression 'springs within the housings act to urge 'the cover toward its closed position against the heat insulated compartment when the cover is closed, and cross a center line of action during the 'upward movement of the coverso "as to urge the cover upwardly when it has passed a predetermined position in its upward movement. In the disclosed forms of my refrigerator -c'abinet, at least one tension spring 66 is utilized to assist gravitational force in biasing the 'rear portion of the cover ltoward the heat insulated `con- 'tainer and to urge the arms 59 downwardly relative to the brackets 55and 56. One rend of the --spring is secured to one of the arms 59 and its other end is secured to a bracket 61 lon `the rear of the outer casing.

Since the cover of the refrigerator "cabinet shown in Figs. 1 to 5, inclusive, maybe 'swung upwardly as well as being movable linearly away from the heat insulated container, and also since the cover is biased downwardly toward its lclosed position 'by the toggle mechanisms, an adjustable stop 68 is mounted at the forward end -o'f each of the arms 59. As shown in Fig. v1, each stop B8 comprises a screw threaded into the 'arm at a position such that it underlies one side yedge of the front portion of the cover.

In the form of my invention disclosed vin Figs. 6 to 1l, inclusive, there is no provision'made VYfor 'the upward swinging movement of the cover 2'5. Hence, there is no. toggle mechanism `provided for ba'sing the cover toward the top surface `of the heat insulated container. However, it may Y l be readily understood that the structure shown 'in Figs. 6 to 11 is well'adapted to provisions for allowingr upward swinging movemento the cover Vby the inclusion of the toggle mechanisms and ifront cover supports as shown in the previously ldescribed n'gures land the addition of' 'swivel CIV 'gfjoints in the laterally extending actuating rods; Adjustable elements es, however, are' connected -to bot-h the cover and the arms 59 near. the eis- V'tending ends or the arms so that 'the biasing Yforce Iof the tension spring 5 is effective through Athe arms 59 to urge both the front 'and rear por 'tions of the cover toward 'the heat insulated coni tainer. Y

In Fig-s. 1 to 5, inclusive, I have disclosed one preferred type of mechanism adapted to manual operation by the turning of a conveniently ae cessible handle for controlling and leffecting the linear raising and lowering movement of `the cover l25. As shown in Fig. 2, `a shaft `1l) :extends through the mid-portion of the cover 2:5 and A.is `journaled for rotational movement by suitable 'bearing-s 'I2 and '13 at the liront and .rear 'edgeso the fcover. At the -front end of the shaft, and adjacent the front .edge of the cover., ahandle TM 'is 'dr-ivi-ngly secured 'thereto and desirablyfhas'an inwardly projecting end portion 15 adapted to `engage sockets '15 and 'll on opposite-'sides ofthe shaft. -Stops 'H are secured to the front edge or the cover below each socket and project out- 'wardl'y to prevent turning of the handle. the wrong Way or beyond the sockets.

At the rear endY of the shaft the bearing "13 provides fa socket for holding one end of .1a com'- fpre'ssio'n spring 'i8 which surrounds a portion of the projecting end oi the shaft. The other end of the compression spring rests against a pulley '19 secured to 'the projecting end of the :shaft in spaced relationship to the rear edge foi the-cover. Normally, the spring 18 biases the sl1af.1',axial1y 'to hold the projecting end 'l5 ofthe handle in one of the sockets 15 or 'VI until removed by the application of manual lrorce. l1in turning between the two sockets, the handle 'I4 'and shaft 10 are rotated through substantially half la `revolution.

shown in Figs. 3 and 5, the pulley T9 has open-ings Eiland 82 extending axially therethrough near the periphery, which openings fare desirably disposed at diametrically opposite positions in 'the pnllfey. YTension-transmittingfrneans, suchas anekible cable e3, is threaded through :the openvfilngs and 82 so 'as effectivelyV to anchor 'the Vcable to the pulley at the diametrically opposite positions lof the openings. Opposed side portions 84 or the cable 83 extend .in substantially opposite Y Adirectiens from the pulley T9 and are aligned with vil!) a groove-d edge portion of the pulley.

At opposite ends of the top cross strip I9 on 'therearof the outer casing, pulleys 55 are rotatably supported at fixed positions near the side walls of the outer casing by brackets 85. Below thelp'iineysed adjustaoie anch'orscrewsst' extend through the projecting-head portions of the studs 52 Jand have coacting nuts V38 thereon for controlling the effective length of the anchor screws.

The opposite side portions 8i. of the cable each extend over one of the pulleys 35 and areirespectively anchored to one of the 'anchor screws-87.

Since the studs 52, which carry the anchor'screws,

4"are secured to the arms 59, tension applied throughthe end portions of the cables, liftsfthosey compartment,

to the pulley 79, the rotation of that pulley by manual force applied to the handle i4 at the front of the cabinet turns the pulley and applies the tension to the cable ends for raising the cover. The size oi the pulley is such that the one-half turn o1" movement of the handle '[4 between the sockets 'i5 and Tl effects movement of the cover between the position indicated in solid lines and that indicated in dot and dash lines at 25D in Figs. 1 and 3. The separation of those positions is sucient to provide clearance for the tilting movement of the heat insulated container.

Desirably, the rate of upward movement of the cover is rapid in proportion to the rate of movement of the handle at the beginning of such upward movement so that the cover is quickly separated from the heat insulated container. ATo eiect this result, the positions of the openings B and 82 in the pulley i9 are normally so disposed that the rotary motion of the pulley effects a rela-y tively linear movement of the cable ends at the beginning or" the handle movement for raising the cover. To raise the cover with the parts in the relative positions disclosed in Fig. 2, the handle is moved from the position shown in solid lines to that indicated in dot and dash lines at 14a. The direction of rotation of the pulley for effecting such upward movement is indicated by an arrow in Fig. 3. As may be readily understood by noting the normal position of the openings 8B and 82 in Fig. 3, the initial rotary movement of the pulley 'l is translated almost directly into linear movement of the cable end portions during the iirst quarter turn, after which the rate of upward movement ci the cover corresponding to a given movement of the handle will decrease to a certain extent.

Thus, one manner of opening therefrigerator cabinet disclosed in Figs. l to 5, inclusive, is to swing the cover upwardly without turning thev handle l. After the cover has been swung upwardly, the heat insulated compartment may be tilted forwardly by manual force applied to a handle 89. While open the cover is held in the raised position by the spring-urged toggle mechanisms acting through the extension arms 55 at the rear of the cover. movements of the parts, with the heat insulated `container being f rst moved to its upright position before the cover is swung downwardly. Movements of the heat insulated container in both directions are cushioned by the dashpot 53. The spring-urged toggle mechanisms assist the gravitational force and the force of the tension spring for providing close sealing engagement of the gasket Se with the top of the heat insulated compartment, particularly at the front portion thereof, when the cover is closed.

When it is desired, on the other hand, to use the cover as a conveniently disposed shelf during the removal of material from the food storage or the placement of material therein, the cover is raised linearly to the position indicated at 25h by manual rotation of the handle Ui through one-half turn from its locked position oi engagement with the socket 'l5 to a loci-:ed position oi engagement with the socket 11. When thus raised, the cover is moved upwardly with the arms 59 and is supported therefrom by the studs S and the adjustable stops 68. After the cover has been raised, the heat insulated container 23 may be tilted between its upright and open positions. With the heat insulated container in the upright position, the cover is moved .Lto its closed position by reverse rotation of the The cabinet is closed by reversehandle 14. In the latter instance, the handle is used to restrain the downward movement of the cover which is produced by gravity and the biasing force of the tension spring 6B.

In the modiiied form of my invention which is illustrated in Figs. 6 to 11, inclusive, the cover 25 may not be swung upwardly but both the linear lifting of the cover and the tilting movement of the heat insulated container are effected and controlled by the manual movement of a handle 90 which is desirably disposed at the front of the cover. The actuating mechanism for eiecting the upward movement of the cover is practically the same as that illustrated and described with respect to the form shown in Figs. 1 to 5, inclusive, and like reference numerals applied to the parts of that mechanism in Figs. 6 to l1, inclusive, refer to parts which perform substantially similar functions.

Rather than utilize axial movement of the shaft le for effecting engagement and disengagement of the handle 3e in Figs. 6 to il, inclusive, with the sockets 75 and Tl, the handle il is provided with a knob 92 carried by a plunger et aligned for engagement with the sockets 76 and 'Il and linearly movable toward and from the sockets. A compression spring 94 disposed between linearly separted portions of the handle Q5 and the plunger 93 normally biases the plunger 93 toward a position oi engagement with the sockets.

In addition to the mechanism for raising the cover, which is similar to that described in connection with Figs. l to 5, inclusive, Ythe modified form of my invention includes parts actuated by the same handle for effecting tilting movement of the heat insulated container 23. That is, on diametrically opposite sides of a pulley 915 which controls the cover-raising mechanism, are radially projecting arms 96. At opposite top corners, the outer casing i5 has diagonal braces 91 upon which bell cranks 95 are rotatably supported by means, such as studs $9, in oppositely disposed positions and in opposed relationship laterally oi the cabinet. Each of the bell cranks 98 has angularly disposed arms lef) and E62 Vwhich serve in changing the direction of force applied thereto. in the present instance, tension-transmitting elements in the form of relatively rigid rods |83 are utilized to connect the ends of the arms 96 on the pulley 95 to the ends of the bell crank arms |68. Additional rods it have their upper ends connected to the respective bell crank arms to2 and extend downwardly with their lower ends each threaded into a yoke 155. The yokes 155 are in -turnY rotatably connected to brackets H1B secured to the rear ends of the metal plates Qi! below the bottom of the-heat insulated container 23.

Rotational movement of the pulley 95 in a clockwise direction, as viewed in Fig. 8, which efiects raising movement of the cover 25 to the position indicated in dot and dash lines at 25h, also exerts forces through the rods H53 and |54 and the bell cranks 98 to apply a lifting force to the rear end of the support plates for the heat insulated container, whereby forward tilting movement of the heat insulated container is effected. During the progress o1" such movement, pulley 95, rods` |33 and H84, and--bell cranks 98 are moved substantially to the position depicted in Fig. il, in which position the heat insulated container 23 is moved to the position shown in dot and vdash lines at 23a in Fig. 6. Reverse movement of the handle rotates the pulley 95 in the. opposite Vdirection (counterclockwise as viewed 76 in Figs. 8 and 1l) to exert compressive forces through the rods I 93 and it, whereupon the force applied to the rear of the support for the heat insulated container is in a downward direction to move the container back to its upright position. During the latter described movement, the cover is returned to its closed position.

In order to avoidv appreciable or detrimental irictional movement between the cover-sealing gasket t and the upper surface of the heat insulated container, the cover is desirably moved upwardly to effect a separtion of the gasket from the surface of the container before there is any appreciable tilting movement of the container. This result is effected by pre-selection ofthe relative dispositions of the cable-anchoring openings 80 and 82 to the ends of the arms 95 to which the rods H33 are connected. That is, the relatively quick and rapid start of the upward movement of the cover 25 is eiiected in the manner described in connection with the disclosure of Figs. 1 to 5, inclusive. tive positions ofthe arms 96 and rods |03 when the cover is closed, and as shown in Fig. 8,/are such that the initial rotational movement rof tthe arms 95 in the direction of the arrows shown in Fig. 8 produces no appreciable tilting movement of the heat insulated container. As shown in Fig. 8, the initial movement of the arms 96 is practically transverse to the axes of the rods |533.

Thus, during such initial movement, there is no appreciable component tending to tilt the heat insulated container. As the movement of the arms 96 progresses, the component tending to `tilt the heat insulated container gradually inin Fig. 8, out of alignment and such that they locking of the position of the arms 96 by the handle 9U holds the heat insulated container in its upright position. It may be observed in. Fig. 8 that `in moving in a clockwise direction for effecting `the opening movement of the cover and tilting movement of the container, the longitudinal. axes of the arms 96 pass positions in alignment with vthe axes of the rods |03. It is not until after the position of alignment has been passed thatthe tilting movement of the container is started and the normal angular displacement oi the arms and rods from that position of alignment in a direction reverse to that required for tilting the container places the rods |93 in positions for bracing the tilting mechanism against movement of the container by forces other than those applied through the use of the handle SG.

While I have illustrated a preferred embodiment of my invention, many modiiications may be made without departing from the spirit of the invention, and I donot wish to be limited to the precise details of construction set forth, but desire to avail myself of all changes within the scope of the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States. is:

l. In combination with the tiltable cabinet On the'tother hand, the relahaving a base, side walls secured to and extendvbetweenupright and frwardlytilted positions.

anda cover, for the storage compartment supported. for linear vertical Ymovement from and toward the open top of the storage compartment when said compartment is in the upright position, a cover actuating and control mechanismcomprlsing a pair of side arms extending forwardly from the rear oi' the cabinet between said side walls and the storage compartment, means supporting said side arms for linear vertical move'- ment relative tothe side walls, means for supporting said cover from the side arms for movement therewith, a shaft journaled in said cover for rotational movement and extending through the mid-portion thereof from front to rear, a handle secured to the iront end of the shaft adjacent the lfront edge of the cover, pulley means secured to the rear end of the shaft adjacent the rear edge of the cover, a cable anchored at i its mid-portion to said pulley means and-having opposite end portions, a pair of cable guide pulleys, means forl rotatably supporting said cable guide pulleys in substantial alignment' with Asaidpulley means and in xed positionsv nearl the 3'. They combination of claim 1 and character- .ized by means for limiting the rotational movement of said shaft and pulley meansl to substantiallyv one-half of a revolution, and means anchoring opposite ends of said cable to said pulley means .at positions such that upward movement of said arms Vand cover starts rapidly during initial rotation of said shaft in one direction and vdecreases in rate near the upper limit of normal movement of the cover. l

4. The combination of claim 1 and further characterized by means for hingedly connecting said coverV to said side arms for swinging movement about an axis disposed along the rear edge of the cover, adjustable means for limiting the movement of the front portion of the cover toward the side arms, and resilient toggle means for biasing the cover toward said arms when its angular position relative to the arms is below a predetermined level and biasing said cover away from the arms when its angular position is above said level. n

, 5. The combination of claim 1 and further characterized by means for connecting one edge of said cover to the side arms, and means spaced from the last mentioned means for adjustably connecting the cover to the side arms.

6. The combination of claim 1 and further characterized by lever arms extending in Yopposite directions from said pulley means in fixed relationship to said' shaft, bell cranks disposed on opposite sides of said lever arms and having angularlyprojecting arms, means for supporting each of said bell cranks for rotation about a viixed axis, a link connecting each of said lever arms' to one of said bell crank arms, adjustable anchor'means on said storage compartment below the -bell cranks and spaced from the axis oftilting movement of the compartment, and sa 11' link connecting the other arm of each of said bell cranks to one of the last mentioned adjustable anchor means so that rotation of said shaft applies force through said links for eiecting tilting movement of the storage compartment.

'7. In a tiltable cabinet having a base, a storage compartment open at the top and hingedly supported on the base for .tilting movement about a fixed axis near the base between upright and .forwardly tilted positions, and a cover for the .storage compartment, the combination comprisling cover-supporting arms extending along opposite sides of the storage compartment in directions lateral to the axis of tilting movement of the compartment, means for supporting said -arms for linear movement in a direction substantially perpendicular to the open top of the .storage compartment when the compartment is in said upright position, means for supporting the cover from the side arms for movement therewith, a shaft, means for supporting said shaft for rotational movement, means for manually actuating said shaft, anchor means secured to said :shaft for rotation therewith, force-transmitting elements anchored at diametrically opposite positions to said anchor means and extending therefrom in opposed directions, means at opfposite sides of said cabinet for changing the direction of the force transmitted through said force-transmitting elements, additional anchor means secured to each of said side arms, said .force-transmitting elements being secured to said additional anchor means for effecting movements Vof said arms and cover in response to rotational movements of said shaft.

8. In a tiltable cabinet as dened in claim 7, said anchor means and shaft having normal .limits of movement corresponding to closed and `4raised positions of the cover, said means for changing the direction of the force transmitted through said force-transmitting elements including pulleys, and means for supporting said pulleys in positions such that their axes are substantially midway between the normal limits of movement of the cover.

9. In a tiltable cabinet as defined in claim '7, the diametrically opposite positions at which said force-transmitting elements are anchored to -said anchor means being so normally disposed when said cover is in the closed position that the .initial upward movement of the cover relative to the storage compartment is relatively large in comparison to the angular movement of the shaft.

10. The combination of claim 7, wherein said means for supporting the cover from the side arms includes means for providing a hinge connection therebetween along one edge of the cover, and means for adjusting the spacing of the cover and arms at a distance from the last mentioned means.

11. The combination of claim '7, wherein said `means for supporting the coverfrom the side arms includes means for providing a hinge con- -nection therebetween along one edge of the cover, and resilient toggle means for biasing the predetermined limits and biasing said cover away 12. In a tiltable cabinet having a base, a storage I compartment open at the top and hingedly supported on the base for tilting movement about a fixed axis near the'base between upright and forwardly tilted positions, and a cover for the storage compartment, the combination comprising cover-supporting arms extending along opposite sides of the storage compartment in directions lateral to the axis of tilting movement of the compartment, means for supporting said arms for linear movement in a direction substantially perpendicular to the open top of the storage compartment when the compartment is Vin said upright position, means for supporting thecover from the side arms for movement therewith, a shaft, means for supporting said shaft for rotational movement, means for manually actuating said shaft, anchor means secured to said shaft for rotation therewith, force-transmitting elements anchored at diametrically opposite positions to said anchor means and extending therefrom in opposed directions, means at opposite sides of said cabinet for changing the direction of the force transmitted through said forcetransmitting elements, additional anchor means Ysecured to said storage compartment at symmetrically disposed positions on one side of said axis of tilting movement, and means secured to said additional anchor means and extending to said direction-changing means for eii'ecting tilting movements of said storage compartment in response to rotational movements of said shaft.

13. The combination of claim 12 wherein said diametrically opposite positions at which said force-transmitting elements are anchored to the Vanchor means are so normally disposed when the -tween a normal upright position and a tilted position, a cover for said top opening having a cabinet-closing position correspondingto Vthe upright position of the storage compartment, and

.a support carrying said cover for movement relative to the storage compartment, means actuated by manual movements of a handle for separately effecting linear movement of said cover vaway from the storage compartment to provide clearance for the rocking movement of the storage compartment and for effecting return movement of the cover to the cabinet-closing position, and means for releasably retaining the cover in a position away from the storage compartment.

16. In combination with a tiltable cabinet including a storage compartment having a top opening and mounted for rocking movement between a normal upright position and a tilted position, a cover for said top opening having a cabinet-closing position corresponding to the upright position of the storage compartment, and a support carrying the cover for movement relative to the storage compartment, means actuated by the rotational movements of a handle for simul- "l taneously eecting linear movement of said cover and rocking movement of said storage compartment, said linear movement of the cover being so proportioned to the rocking movement of the storage compartment that said cover clears the storage compartment.

17. In combination with a tiltable cabinet including a storage compartment having a top opening and mounted for rocking movement between a normal upright position and a tilted position, a cover for said top opening having a cabinet-closing position corresponding to the upright position of the storage compartment, and a support carrying the cover for movement relative to the storage compartment, a mechanism including a manually operable handle for simultaneously eecting linear movement of said cover and rocking movement of said storage compartment, said linear movement of the cover being so proportioned to the rocking movement of the storage compartment that said cover clears the storage compartment.

18. In combination with a tiltable cabinet including a storage compartment having a top 20 opening and mounted for rocking movement between a normal upright position and a tilted position, a cover for said top opening having a cabinet closing position corresponding to the upright position of the storage compartment, and a support carrying said cover for movement relative to the storage compartment, connected force-transmitting elements actuated by manual movements of a handle for separately effecting linear movement of said cover away from the storage compartment to provide clearance for the rocking movement of the storage compartment and for effecting return movement of the cover to the cabinet-closing position, and a latch-type mechanism for releasably retaining the cover in a position away from the storage compartment.

CHARLES G. MINOR.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,443,858 Windecker Jan. 30l 1923 2,386,929 Brown Oct. 16, 1945 

